M30803FGFP#U5 Renesas Electronics America, M30803FGFP#U5 Datasheet - Page 331
M30803FGFP#U5
Manufacturer Part Number
M30803FGFP#U5
Description
MCU 3/5V 256K PB-FREE 100-QFP
Manufacturer
Renesas Electronics America
Series
M16C™ M16C/80r
Datasheet
1.M30803FGGPU3.pdf
(360 pages)
Specifications of M30803FGFP#U5
Core Processor
M16C/80
Core Size
16-Bit
Speed
20MHz
Connectivity
SIO, UART/USART
Peripherals
DMA, PWM, WDT
Number Of I /o
85
Program Memory Size
256KB (256K x 8)
Program Memory Type
FLASH
Ram Size
20K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Data Converters
A/D 10x10b, D/A 2x8b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 85°C
Package / Case
100-QFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
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M
R
R
e
E
1
v
J
6
Figure 32.30 Timing for disabling the lock bit
Figure 32.31 Timing for download
1 .
0
C
9
0 .
8 /
B
0
0
Download Command
Lock Bit Disable Command
0
1
A
This command downloads a program to the RAM for execution. Execute the download command as
explained here following.
When all data has been transmitted, if the check sum matches, the downloaded program is executed.
The size of the program will vary according to the internal RAM.
This command disables the lock bit. The command code “75
transmission. This command only disables the lock bit function; it does not set the lock bit itself.
However, if an erase command is executed after executing the lock bit disable command, “0” (locked)
lock bit data is set to “1” (unlocked) after the erase operation ends. In any case, after the reset is
cancelled, the lock bit is enabled.
8
G
u
7
o r
(1) Transfer the “FA
(2) Transfer the program size with the 2nd and 3rd bytes.
(3) Transfer the check sum with the 4th byte. The check sum is added to all data sent with the 5th
(4) The program to execute is sent with the 5th byte onward.
(M16C reception data)
. g
0 -
(M16C transmit data)
u
1
0
byte onward.
p
0
, 2
0
2
0
0
5
Page 318
RxD1
TxD1
16
” command code with the 1st byte.
f o
(M16C reception data)
(M16C transmit data)
3
2
9
FA
Data size (low)
16
RxD1
TxD1
Data size (high)
75
16
Check
sum
16
” is sent with the 1st byte of the serial
32. Standard serial I/O mode
Program
data
Program
data
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